Sony HCD-XB66 / HCD-XB660 / LBT-XB66 / LBT-XB660 Service Manual ▷ View online
– 33 –
– 34 –
HCD-XB66/XB660
7-5.
BLOCK DIAGRAM
– MAIN Section (2/2) –
1
4
7
2
05
(Page 32)
L-CH
POWER AMP
IC821 (1/2)
OVER LOAD
DETECT
Q801, 851
OVER LOAD
DETECT SWITCH
Q282
RELAY DRIVE
Q141, 142
FAN MOTOR
DRIVE
Q191, 192
OVER LOAD
DETECT
AC OFF
DETECT
OFFSET
DETECT
VCC ON
MUTE
RELAY
DRIVE
FLIP
FLOP
R-CH
17
13
1
10
6
PROTECTOR
IC281
-1
-2
+
–
–
–
+
POWER AMP
IC821 (2/2)
STANDBY SWITCH
Q283
RELAY SWITCH
Q281
J760
PHONES
TM131
SPEAKER
IMPEDANCE
USE 8 – 16
Ω
R
L
D811
L-CH (+)
L-CH (–)
R-CH (+)
R-CH (–)
RY141
RY142
M100
(FAN)
(FAN)
-1
-2
POWER AMP
IC801 (1/2)
OVER LOAD
DETECT
Q821, 871
D831
D191
D192
17
13
1
10
6
POWER AMP
IC801 (2/2)
G
(Page 32)
FEED BACK
H
(Page 32)
STK-MUTE
I
(Page 32)
RELAY
J
(Page 36)
AC OFF
+
6
M
M
• SIGNAL PATH
: CD PLAY
– 35 –
– 36 –
REGULATOR
CONTROL SWITCH
Q907
D913
D301, 302
D914
POWER
(Page 31)
K
CD-POWER
(Page 31)
(Page 34)
L
D+5V
PANEL SECTION B+
AUDIO D+5V
B+
SWITCH
Q905, 906
–30V
REGULATOR
Q904
–30V
FL DRIVER (IC601)
CAPSTAN MOTOR DRIVE CIRCUIT,
TRIGGER MOTOR DRIVE CIRCUIT B+
RECT
D908, 909
+12V
REGULATOR
IC904
+10V
REGULATOR
Q903
+7V/–7V
REGULATOR
IC901
+10V
(FM/AM TUNER UNIT B+)
+7V
REGULATOR
IC902
+7V
(CD M+7V)
+5V
REGULATOR
IC903
D+5V, A+5V
CD MECHANISM DECK
SECTION B+
B+
SWITCH
Q901, 902
SYSTEM CONTROLLER
(IC301) B+
RECT
D906, 907
RECT
D902 – 905
RECT
D800
D800
VOLTAGE
SELECT SWITCH
S901
VOLTAGE
SELECTOR
S901
AC IN
E, Argentine models
Except E, Argentine models
B+
POWER AMP
(IC801, 821)
POWER TRANSFORMER
T901
D951
B–
+7V
TC, PANEL, AUDIO
–7V
D671 – 674
(BACK LIGHT)
VF1
TO
FLUORESCENT INDICATOR TUBE
(FL601)
VF2
REMOTE CONTROL
RECEIVER
IC602
FLUORESCENT INDICATOR TUBE DRIVE,
LED DRIVE, KEY CONTROL
IC601
FLUORESCENT
INDICATOR TUBE
FL601
BAND-PASS
FILTER CIRCUIT
C621 – 632,
D601 – 607,
R621 – 629,
D601 – 607,
R621 – 629,
R631 – 638
Q601
D+5V
SPEANA-1
44 SPEANA-3
45 SPEANA-4
45 SPEANA-4
46 L+R
39 SIRCS
ROTARY
ENCODER
S711
ROTARY
ENCODER
S701
26 JOG-A
24 VOL-A
41 JOG-B
40
12
13
VOL-B
X-OUT
X-IN
B+ SWITCH
Q602, 603
LED DRIVE
Q604 – 611,
Q614 – 619, 621, 622
38 DOOR SW
KEY-1 – KEY-5
SPEANA-2
S691
(Page 32)
(Page 31)
D
DATA, CLK
(Page 31)
D611 – 625, 631, 632,
D635 – 638, 641, 645 – 647
SPEANA
LED SELECT 29
DATA
CLOCK
CLOCK
DATA
CLK
RESET
RESET
43
27
28
14
42
33 – 37
SEG1 – SEG35
67 – 100, 1
GR-1 – GR-16
51 – 66
LED1 – LED12, LED15 – LED18
3 – 10, 15, 16, 18, 19, 22, 23, 25, 47
S711
(JOG DIAL)
S601 – 607, 609 – 616, 619 – 625,
S627 – 634, 641 – 647, 651 – 659,
S627 – 634, 641 – 647, 651 – 659,
S661 – 668, 676 – 679, 681 – 686
S701
05
≠ AMS ±
VOLUME
X601
8MHz
E
AC OFF
M
F
6 OPEN
D952
7-6.
BLOCK DIAGRAM
– DISPLAY/KEY CONTROL /POWER SUPPLY Section –
HCD-XB66/XB660
– 37 –
– 38 –
• Circuit Boards Location
TRANS board
PANEL board
POWER AMP board
MAIN board
HP/MIC board
TC-A SW
board
board
CD-A SW board
LED board
DOOR SW board
CD-B2 SW board
CD-B1 SW board
TC-B SW board
TCB board
MOTOR board
LEAF SWITCH
board
board
BD board
AUDIO board
BD LED board
TABLE SENSOR board
CD MOTOR board
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
¢
: internal component.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
Note on Printed Wiring Boards:
• X
: parts extracted from the component side.
•
¢
: internal component.
• b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Side B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
•
U
: B+ Line.
•
V
: B– Line.
•
H
: adjustment for repair.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
F
: TUNER (FM/AM)
E
: PB (DECK A)
d
: PB (DECK B)
G
: REC (DECK B)
J
: CD
c
: digital out
N
: MIC INPUT
• Abbreviation
AR
: Argentine model.
AUS
: Australian model.
MX
: Mexican model.
SAF
: South African model.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
C
B
These are omitted.
E
Q
• Indication of transistor.
B
These are omitted.
C
E
Q
Note: The components identified by mark
!
or dotted line
with mark
!
are critical for safety.
Replace only with part number specified.
(Page 51)
MAIN BOARD
CN202
– 39 –
– 40 –
HCD-XB66/XB660
7-7.
PRINTED WIRING BOARD
– CD Section (1/2) –
•
See page 37 for Circuit Boards Location.
•
See page 38 for Note.
• Semiconductor
Location
Ref. No. Location
IC101
C-5
IC201
B-5
IC501
C-6
Q101
C-3
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